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Model API guides

Grok Imagine Image 2.0 API reference

Check Grok Imagine Image 2.0 availability, inputs, parameters, file requirements, credit pricing, and request examples for Rivya Public API v1. Model ID: grok-imagine-image-2-0.

Available via APIText or URL ready; reference modes use Files APIImage
API model ID

grok-imagine-image-2-0

Inputs

text, file

Files API

Required for reference modes

Credit pricing

Credit rate: 4 per image The final cost is rounded up to whole credits.

Capability

Image

Billing

FIXED

Prompt limit

8000 characters

Request fields

Set model at the top level. Put model-specific controls and reference inputs in params, using the format documented for this model.

KeyTypeRequiredDefaultDescription
modelstringYesgrok-imagine-image-2-0Set model to grok-imagine-image-2-0.
promptstringYes-Maximum 8000 characters for this model.
paramsobjectNo-The model-specific params object. Use the documented keys and reference-file format for this model.
client_request_idstringNo-Optional ID for tracing this request in your system. It does not replace Idempotency-Key.

Model parameters

KeyTypeRequiredDefaultRangeOptionsDescription
aspect_ratioselectNo1:1-1:1, 2:3, 3:2, 16:9, 9:16, autoAuto is available only after at least one reference image has been uploaded.

Upload policy

Upload reference files through Files API first. Keep the original URLs, verified metadata, and tokens. Follow this model's request example: some models use params.referenceMediaItems, while others use different fields.

Reference rule

Reference images: Upload one to five JPEG, PNG, or WebP images, no more than 10 MB each. Signed upload metadata is required for every reference.

Max files

5

Accepted file kinds

image

Duration token

When duration verification is required, use duration_token from /api/v1/files as durationToken in the request. Keep any additional signed metadata this model requires.

kindMax sizeMIME types
image10 MBimage/jpeg, image/png, image/webp

Minimal request

{
  "model": "grok-imagine-image-2-0",
  "prompt": "A product bottle on a light gray background, lit softly from the left.",
  "params": {
    "aspect_ratio": "1:1"
  }
}

Reference-file request

{
  "model": "grok-imagine-image-2-0",
  "prompt": "A product bottle on a light gray background, lit softly from the left.",
  "params": {
    "aspect_ratio": "1:1",
    "referenceMediaItems": [
      {
        "url": "https://cdn.example.com/reference-image.png",
        "kind": "image",
        "name": "reference-image.png",
        "mimeType": "image/png",
        "width": 1024,
        "height": 1024,
        "sizeBytes": 1048576,
        "imageDimensionsToken": "image_dimensions_token_from_original_files_api_upload_response"
      }
    ]
  }
}

Example response

An accepted generation request returns a task ID. Poll the status endpoint until the task succeeds or fails. A status request failure does not mean generation failed.

{
  "id": "task_grok_imagine_image_2_0_example",
  "status": "queued",
  "model": "grok-imagine-image-2-0",
  "reserved_credits": 4,
  "final_credits": 0,
  "settlement_status": "RESERVED",
  "created_at": "2026-05-11T00:00:00.000Z",
  "updated_at": "2026-05-11T00:00:00.000Z",
  "result": null,
  "error": null
}

Common errors

validation_failed, insufficient_credits, idempotency_conflict, rate_limited, not_found

Some modes require Files API reference uploads.